[PATCH v1] drm/tinydrm/ili9341: Support Adafruit 2.8" TFT display

[Andy Shevchenko]

The Adafruit 2.8" TFT display [1] has different dimensions than 2.4" one.
Add support for it.

[1]: https://cdn-shop.adafruit.com/datasheets/MI0283QT-11+V1.1.PDF

Signed-off-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>
---

- based on top of drm-tip

 drivers/gpu/drm/tinydrm/ili9341.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/tinydrm/ili9341.c b/drivers/gpu/drm/tinydrm/ili9341.c
index 3b7565a6311e..7e20d7f1b25f 100644
--- a/drivers/gpu/drm/tinydrm/ili9341.c
+++ b/drivers/gpu/drm/tinydrm/ili9341.c
@@ -140,6 +140,10 @@ static const struct drm_display_mode yx240qv29_mode = {
 	DRM_SIMPLE_MODE(240, 320, 37, 49),
 };
 
+static const struct drm_display_mode dt280qv10_mode = {
+	DRM_SIMPLE_MODE(240, 320, 43, 58),
+};
+
 DEFINE_DRM_GEM_CMA_FOPS(ili9341_fops);
 
 static struct drm_driver ili9341_driver = {
@@ -155,25 +159,32 @@ static struct drm_driver ili9341_driver = {
 };
 
 static const struct of_device_id ili9341_of_match[] = {
-	{ .compatible = "adafruit,yx240qv29" },
+	{ .compatible = "adafruit,yx240qv29", .data = &yx240qv29_mode },
+	{ .compatible = "adafruit,dt280qv10", .data = &dt280qv10_mode },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, ili9341_of_match);
 
 static const struct spi_device_id ili9341_id[] = {
-	{ "yx240qv29", 0 },
+	{ "yx240qv29", (kernel_ulong_t)&yx240qv29_mode },
+	{ "dt280qv10", (kernel_ulong_t)&dt280qv10_mode },
 	{ }
 };
 MODULE_DEVICE_TABLE(spi, ili9341_id);
 
 static int ili9341_probe(struct spi_device *spi)
 {
+	const struct drm_display_mode *mode;
 	struct device *dev = &spi->dev;
 	struct mipi_dbi *mipi;
 	struct gpio_desc *dc;
 	u32 rotation = 0;
 	int ret;
 
+	mode = device_get_match_data(dev);
+	if (!mode)
+		return -ENODEV;
+
 	mipi = devm_kzalloc(dev, sizeof(*mipi), GFP_KERNEL);
 	if (!mipi)
 		return -ENOMEM;
@@ -201,7 +212,7 @@ static int ili9341_probe(struct spi_device *spi)
 		return ret;
 
 	ret = mipi_dbi_init(&spi->dev, mipi, &ili9341_pipe_funcs,
-			    &ili9341_driver, &yx240qv29_mode, rotation);
+			    &ili9341_driver, mode, rotation);
 	if (ret)
 		return ret;
 
-- 
2.20.1